2104:0124 — Eyechip

This is the USB identifier for a Eyechip manufactured by Tobii Technology AB. The vendor ID 2104 is registered to Tobii Technology AB with the USB Implementers Forum, and 0124 is the product ID that Tobii Technology AB assigned to this particular model. When you run lsusb on Linux, this device appears as 2104:0124 Tobii Technology AB Eyechip.

Linux

$ lsusb
Bus 001 Device 004: ID 2104:0124 Tobii Technology AB Eyechip

You can filter directly with lsusb -d 2104:0124, or get the full descriptor dump with lsusb -v -d 2104:0124. Kernel messages from dmesg show the same pair as idVendor=2104, idProduct=0124.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_2104&PID_0124
USB\VID_2104&PID_0124&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_2104&PID_0124"

macOS

$ system_profiler SPUSBDataType
    Eyechip:
      Product ID: 0x0124
      Vendor ID: 0x2104  (Tobii Technology AB)

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

The exact lines this page is generated from, in the upstream source file:

2104  Tobii Technology AB
	0124  Eyechip

• 2104:0050 Eye tracker [EYEX2]

See all 2 devices from Tobii Technology AB →